Freediver Magazine,

Issue No. 12 Sometimes in life you need to read between the lines or gather up all the throwaway comments and see what you end up with. So it is with respiratory muscle training (RMT) devices and freediving. Of the three units reviewed here only the PowerLung is both an inspiratory and expiratory trainer –…

real runner

“Train Your Lungs” Review by Tom Rogers Whether we’re training for an event or just running to get and stay fit, how many of us worry about the development of our lung muscles – probably not many of us! Of more concern to most runners is how their legs are holding up and are the…